D3 Jubilee Partners

D3 is headquartered in Seoul and San Francisco, pioneering the domestic and global impact investment areas. D3 redefines the role of capital by investing in entrepreneurial innovation that improves the lives of low-income families, women, and immigrants, and creates an environmentally sustainable world. Invest in ICT start-ups with high socio-environmental value in low-income countries such as Korea, USA and South America, Africa and India.

Dukjun Lee

General Partner

Doug Lee

Founder and CEO

44 past transactions

RTBP

Series A in 2023
Operator of a project development marketplace intended to offer a sustainable lifestyle through the development of local assets in downtown areas. The company operates on three basis projects, all offering a harmonious ecosystem of work, playground and life, enabling people to connect and access cultural and innovative products that value old and familiar things.

Rainfall

Seed Round in 2022
Rainfall is a privacy-preserving intelligence platform that uses Edge-AI and Web3 technology to unlock the economic value from your data.

SSEM

Series A in 2022
Developer of a tax filing application designed to help sole proprietors. The company provides services to help clients to calculate and report global income tax and value-added tax easily and conveniently, enabling users to focus on their business without worrying about taxes.

RECO

Series B in 2021
Developer of an integrated waste management platform designed for environmental restoration, recovery, and recycling. The company's platform offers waste collection, and sustainable resource recycling as well as manages and reports all waste-related data through a single platform, along with providing information related to remaining available resources before they become waste to the necessary places, enabling businesses to efficiently manage and share waste and leftover resources.

Comento

Venture Round in 2021
Comento designs and develops an Internet based networking platform for job seekers and consultants. Its platform allows job seekers to ask questions and receive consultation from incumbents. Its platform also helps job seekers in building resume and cover letters. Comento was incorporated in 2015 and is based in Seoul, South Korea.

Medical IP

Series C in 2021
Developer of a medical imaging analysis platform designed to realize the prediction and prevention of more illnesses. The company's technology uses artificial intelligence software to detect body components including lesions from medical images using AI technology and extract quantitative data such as volume and area using our accurate and precise segmentation analysis, enabling medical professionals to get accurate data about patients' conditions.

Databank

Series A in 2021
Developer of e-learning services platform designed to bridge the educational gap through technology. The company's platform offers English mock test-takers automated scoring and immediate feedback on their spoken and written answers and the automation of the process shortens the time it takes to score the open-ended tests than human graders, enabling customers to get affordable, time-saving, and customized education through technology.

RECO

Series A in 2021
Developer of an integrated waste management platform designed for environmental restoration, recovery, and recycling. The company's platform offers waste collection, and sustainable resource recycling as well as manages and reports all waste-related data through a single platform, along with providing information related to remaining available resources before they become waste to the necessary places, enabling businesses to efficiently manage and share waste and leftover resources.

Localstitch

Series A in 2021
Localstitch, founded in 2013 and based in South Korea, operates as a provider of shared office and residential spaces. The company aims to create environments where individuals can live, work, and launch businesses. By designing and managing flexible spaces, Localstitch facilitates collaboration among professionals while offering affordable rates that alleviate the financial burdens often associated with urban living. This approach allows clients to concentrate on their creative endeavors in a supportive community setting.

TestWorks

Series B in 2020
TestWorks is a social enterprise based in Seoul, Korea, specializing in innovative solutions for AI data processing and software testing. The company focuses on creating tools that enhance business software delivery and testing through automation and artificial intelligence. Their offerings include services for collecting, annotating, and managing training datasets, which are essential for AI training and verification. TestWorks is recognized for its technical excellence and commitment to quality, making it a leader in the data processing sector. Additionally, the company promotes an inclusive employment model by providing opportunities for socially disadvantaged individuals, aligning its business objectives with social responsibility.

PerMeal

Series B in 2020
Operator of an online food ordering platform intended to offer specialty foods directly from domestic farmers. The company's platform offers various cuisines including seafood, fruits, vegetables and nuts, meat and eggs, snacks, and seasonings, enabling customers to get food items delivered directly to their doorstep.

Caredoc

Seed Round in 2019
CareDoc is an elderly care professional platform that provides information on proven elderly care facilities. Consumers looking for elderly care services were not able to find the information they wanted online or getting inaccurate information through word of mouth.On the other hand, providers of care services were having difficulty in collecting elderly customers. Caredoc solves these problems by providing verified care servise provider information on the mobile.

Localstitch

Seed Round in 2019
Localstitch, founded in 2013 and based in South Korea, operates as a provider of shared office and residential spaces. The company aims to create environments where individuals can live, work, and launch businesses. By designing and managing flexible spaces, Localstitch facilitates collaboration among professionals while offering affordable rates that alleviate the financial burdens often associated with urban living. This approach allows clients to concentrate on their creative endeavors in a supportive community setting.

True Balance

Series C in 2019
True Balance is a digital wallet owned and operated by Balancehero India Private Limited (BHI), that enables users to access utility bill payment, loan recharge, insurance, and other financial products. With 70 million users, True Balance aims to serve India with utility payments financial platform for the unbanked users to serve their money for living requirements. It was launched in 2014 by Mr. Charlie Lee as CEO, an alumnus of the University of Chicago.

ClosetShare

Series A in 2019
Developer of an online renting platform designed to offer high-end luxury bags and clothes. The company's platform offers bags, clutches, dresses, skirts, and other women's accessories for a short time, enabling customers to try new fashion on different occasions without paying the full price for it.

The Clozet

Series A in 2019
THE CLOZET is a fashion sharing service aiming to be Airbnb for fashion. THE CLOZET makes profit by connecting its individual customers with fashion items which are not used often and allows them to borrow the items from other users at reasonable prices. THE CLOZET also gives the concierge service such as delivery, cleaning, maintenance which can make it the most seamless fashion sharing service.

Law&Company

Series B in 2019
Law&Company is representative legal tech company in Republic of Korea. The company provides a service called 'LawTalk(www.lawtalk.co.kr)', which is the largest online legal market place in Korea(5 times bigger then the 2nd player). Since 2016, the company invested on research about Artificial Intelligence especially on Text Mining and Machine Learning technology to analyze lawyers and client's activities in the service which helps to lawyers and clients find the right person based on their experience. Also, the company will launch document automation based service to generate legal documents starting from complaint and contract soon. The company has received more than 3 million dollars from 5 venture capital companies and many angel investors due to previous performance and upside potential in the Korean legal market.

PeopleFund

Series B in 2019
PeopleFund is Korea’s leading tech-based financial platform that is opening doors to financial freedom through affordable loans and attractive alternative investment products. It is the fastest growing marketplace lender in Korea and uniquely positioned as the first and only Korean marketplace lending platform to fully integrate with a top-tier commercial bank to process personal and business loans that are government approved. PeopleFund is also the first fintech platform to offer investment products directly on KakaoTalk, Korea’s most popular messaging app, which has allowed the company to grow and scale up its business. PeopleFund was founded in 2015 and is headquartered in Seoul, Korea.

Cleaning Lab

Series B in 2019
Provider of home cleaning services intended to connect cleaning agents with clients as per the requirement. The company offers mobile-based home cleaning brokerage services that allow customers to request home cleaning services to get professionally trained managers to clean up the client's space as per quoted cleaning area size, estimated hours, preferred time slots and additional services, enabling customers to keep their space clean at low cost and convenience.

TestWorks

Series A in 2019
TestWorks is a social enterprise based in Seoul, Korea, specializing in innovative solutions for AI data processing and software testing. The company focuses on creating tools that enhance business software delivery and testing through automation and artificial intelligence. Their offerings include services for collecting, annotating, and managing training datasets, which are essential for AI training and verification. TestWorks is recognized for its technical excellence and commitment to quality, making it a leader in the data processing sector. Additionally, the company promotes an inclusive employment model by providing opportunities for socially disadvantaged individuals, aligning its business objectives with social responsibility.

Sentbe

Series B in 2019
SentBe is a fintech company established in 2015 and headquartered in Seoul, South Korea. It specializes in providing an online platform for international money transfers, allowing customers to send and receive funds across borders with ease. The service is designed to be faster and more convenient than traditional methods, aiming to simplify the process of transferring money abroad. Through its innovative approach, SentBe seeks to enhance the global financial landscape by facilitating seamless financial transactions.

Noldam

Seed Round in 2019
Noldam Co., Ltd. provides baby sitters for part-time play visits for children. It also offers education, assessment, and retraining to the baby sitters. The company offers its babysitting services through its software platform. Noldam Co., Ltd. is based in Seoul, South Korea.

PeopleFund

Series B in 2018
PeopleFund is Korea’s leading tech-based financial platform that is opening doors to financial freedom through affordable loans and attractive alternative investment products. It is the fastest growing marketplace lender in Korea and uniquely positioned as the first and only Korean marketplace lending platform to fully integrate with a top-tier commercial bank to process personal and business loans that are government approved. PeopleFund is also the first fintech platform to offer investment products directly on KakaoTalk, Korea’s most popular messaging app, which has allowed the company to grow and scale up its business. PeopleFund was founded in 2015 and is headquartered in Seoul, Korea.

PeopleFund

Series A in 2017
PeopleFund is Korea’s leading tech-based financial platform that is opening doors to financial freedom through affordable loans and attractive alternative investment products. It is the fastest growing marketplace lender in Korea and uniquely positioned as the first and only Korean marketplace lending platform to fully integrate with a top-tier commercial bank to process personal and business loans that are government approved. PeopleFund is also the first fintech platform to offer investment products directly on KakaoTalk, Korea’s most popular messaging app, which has allowed the company to grow and scale up its business. PeopleFund was founded in 2015 and is headquartered in Seoul, Korea.

Deoham

Venture Round in 2016
Deoham is a real estate company based in Seoul, South Korea, founded in 2014. The company functions as a social enterprise, focusing on connecting people with various types of spaces, including residential living areas, office workplaces, and retail environments. By enabling clients to utilize these spaces, Deoham helps facilitate demand-based businesses while fostering a sense of community. The company's mission emphasizes enhancing the quality of life for individuals who engage with their spaces and communities.

SSEM

Venture Round in 2016
Developer of a tax filing application designed to help sole proprietors. The company provides services to help clients to calculate and report global income tax and value-added tax easily and conveniently, enabling users to focus on their business without worrying about taxes.

PeopleFund

Seed Round in 2015
PeopleFund is Korea’s leading tech-based financial platform that is opening doors to financial freedom through affordable loans and attractive alternative investment products. It is the fastest growing marketplace lender in Korea and uniquely positioned as the first and only Korean marketplace lending platform to fully integrate with a top-tier commercial bank to process personal and business loans that are government approved. PeopleFund is also the first fintech platform to offer investment products directly on KakaoTalk, Korea’s most popular messaging app, which has allowed the company to grow and scale up its business. PeopleFund was founded in 2015 and is headquartered in Seoul, Korea.

Copia Global

Funding Round in 2015
Copia Global is an e-commerce company based in Nairobi, Kenya, that focuses on providing a consumer catalog order and delivery system for middle to low-income individuals in developing regions. Founded in 2013, the company enables users to browse products and place orders through a mobile application, which also allows local shopkeepers to manage orders and payments via a mobile payment system. By leveraging mobile technologies and a network of local agents, Copia Global facilitates access to a wide range of quality goods for rural and peri-urban consumers. This innovative approach ensures that individuals without reliable internet access can still make purchases and receive products conveniently, ultimately empowering them as consumers.

THECHEAT

Seed Round in 2014
TheCheat Co., Ltd. offers database and search services for information related to fraud cases. TheCheat Co., Ltd. was founded in 2012 and is based in Seoul, South Korea.

Frientrip

Angel Round in 2014
Bored of the same old daily life, but not sure where to begin? Or you know what you want to do, but your friends don't share that same interest? Frientrip was born to satisfy these needs. Frientrip is a social activity platform which allows people to gather and enjoy various outdoor/indoor activities together. As the biggest platform of its kind in Korea, Frientrip believes that everyone can lead a more energetic life by trying out new things and meeting new people. Therefore, we aim to create a community where people enhance their experience and share it with one another, as our slogan goes -- WE INSPIRE PEOPLE TO EXPERIENCE THE WORLD.

Enuma

Seed Round in 2013
Enuma, Inc. specializes in creating accessible, game-based learning applications aimed at helping children develop essential math and language skills. Founded in 2012 and based in Berkeley, California, the company offers a variety of educational tools, including Todo Math, which supports pre-K through 2nd-grade math skills, and Todo Telling Time, designed to teach children about time through engaging mini-games. Additionally, Enuma provides Kid in Story, a visual storytelling application that fosters early literacy and social modeling, along with Todo Number Matrix, which offers challenging exercises in categorization and various math operations. The company’s mission is to empower all children, including those with special needs or limited resources, to become independent learners. Enuma was formerly known as LocoMotive Labs, Inc. until its rebranding in August 2015.

Neofect

Venture Round in 2012
NEOFECT was founded in June 2010 by Hoyoung Ban and Scott Kim, two students from the University of Virginia’s Darden Graduate School of Business, and Young Choi, MS, Ph.D. of the University of Southern California, who majored in ‘stroke rehabilitation algorithm and robotics.’ NEOFECT’s flagship product, the RAPAEL Smart Glove, was released in 2014 and has been sold to many home patients in the US and the hospitals across the globe, including NewYork-Presbyterian, Department of Veterans Affairs (DVA), Shirley Ryan Abilitylab (former RIC or Rehabilitation Institute of Chicago), Brooks Rehabilitation, and Swedish Medical Center. The RAPAEL Smart Glove received FDA clearance in 2014. Other than RAPAEL Smart Glove, Neofect has launched RAPAEL Smart Pegboard, RAPAEL Smart Glove, RAPAEL Smart Board, RAPAEL Smart Kids. In 2016, NEOFECT participated in a study conducted by the National Rehabilitation Center in Korea to evaluate the impact of virtual reality-based exercises on a rehabilitation program for stroke patients. The study found VR-based rehabilitation combined with standard occupational therapy is more effective than traditional therapy alone for greater upper extremity function. NEOFECT has offices in South Korea, the U.S., and Germany. Its devices are sold in South Korea, the U.S., and all over Europe.

Changseol Build

Seed Round in 1928
Changseol Build System specializes in consulting services aimed at enhancing efficiency in construction. The company has developed a construction management platform that aids in real estate project planning. Its offerings include location analysis to assist in decision-making related to real estate investments, real-time bird's-eye views, and AI-driven automatic planning design. Additionally, it provides precise business balance analysis, allowing architects and clients to communicate effectively in real time. This innovative approach enables collaborative problem-solving in a three-dimensional space, making the construction process more streamlined and effective.
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